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How to switch back to 'master' with git?

... You need to checkout the branch: git checkout master See the Git cheat sheets for more information. Edit: Please note that git does not manage empty directories, so you'll have to manage them yourself. If your directory is ...
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How to hide output of subprocess in Python 2.7

I'm using eSpeak on Ubuntu and have a Python 2.7 script that prints and speaks a message: 5 Answers ...
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error: ‘NULL’ was not declared in this scope

... NULL is not a keyword. It's an identifier defined in some standard headers. You can include #include <cstddef> To have it in scope, including some other basics, like std::size_t. ...
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Flask-SQLAlchemy import/context issue

I want to structure my Flask app something like: 2 Answers 2 ...
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Sharing a result queue among several processes

The documentation for the multiprocessing module shows how to pass a queue to a process started with multiprocessing.Process . But how can I share a queue with asynchronous worker processes started with apply_async ? I don't need dynamic joining or anything else, just a way for the workers to (r...
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Rails new vs create

Why is there a need to define a new method in RESTful controller, follow it up with a create method? 4 Answers ...
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Setting a WebRequest's body data

I'm creating a web request in ASP.NET and I need to add a bunch of data to the body. How do I do that? 3 Answers ...
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Passing a Bundle on startActivity()?

What's the correct way to pass a bundle to the activity that is being launched from the current one? Shared properties? 6 A...
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Replacing some characters in a string with another character

I have a string like AxxBCyyyDEFzzLMN and I want to replace all the occurrences of x , y , and z with _ . 5 Answers ...
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How to add multi line comments in makefiles

Is there a way to comment out multiple lines in makefiles like as in C syntax /* */ ? 6 Answers ...